Yang Yi knew that he was an illegitimate child since he was a child, so he always knew his place and was always awake.
Until he met Cheng Yu, and all his great chess games failed.
He fled the country in embarrassment, but missed his grandma's funeral.
Once he returned to China, he just wanted to live a peaceful life, but he still met Cheng Yu
Intention: I want to become a light and illuminate my former self